Greek verb foundations (T-V-M-P-N, aspect–time, the structure of a verb form), the five categories drilled in depth, the structure of a present-active form (stem + connecting vowel + personal ending), the six personal endings derived in Step 1/2/3 on λύω with side-by-side comparison across three verbs, the six-step parsing workflow, the no-pronoun-subject rule, translating the present tense (simple/progressive/habitual), and the 23 Lesson 10 verbs. Unlock each subtopic by scoring at least 90% on its mastery check.